Chemistry Reference
In-Depth Information
0.5
0.4
0.3
0.2
0.1
0
0
10
20
30
40
50
60
Time (s)
-0.1
-0.2
-0.3
-0.4
2.2
Cyclic-voltammetry response of a reversible system represented
as a function of time.
I
(mA)
0.5
0.4
0.3
0.2
0.1
0
-250
-150
-50
50
150
250
-0.1
E
(V)
-0.2
-0.3
-0.4
2.3
Cyclic-voltammetry curve for a reversible system in an
E
-
I
plot.
Data are in fact identical to those shown in Fig. 2.2.
surface of the electrode (cm
2
),
D
is the diffusion coefficient of the elec-
troactive species (cm
2
s
-1
),
c
is the concentration of electroactive species
(mol dm
-3
), and
a
is given in Equation 2.22:
anv T
=
FR
[2.22]
